Simple operation of linux redis

Simple operation of linux redis

1. Install redis on centOS system https://blog.csdn.net/weixin_42835409/article/details/119562074
2. After the installation is complete, enter redis-cli in the terminal and report redis-cli -bash: redis-cli: command not found Problem Solving
Enter Go to the src/bin directory under the redis file and copy redis-cli to the /usr/local/bin/ directory, so that the redis-cli command can be used directly in any directory

 cp redis-cli /usr/local/bin/

3. Connect to local redis

#默认端口 6379 即 127.0.0.1:6379
redis-cli

4. Connect to remote

# -h 地址  -p 端口
redis-cli -h 10.47.9.3 -p 16362

5. If redis has a password, log in and enter the password

# auth 空格+密码（123456 为密码）
auth 123456  

6. Set password

# pass_密码
config set requirepass pass_123456

7. Obtain password

config get requirepass

8. Switch db library

select 库编号
# 如 切换至db2 => select 2

9. View all keys

keys *
# 1) "key1"

10. Hash type data Redis Hash type data common command summary

# 所有查看数据
hgetall <key>
# 查看某个key的数据 返回hash表中指定key的field的值
hget <key> <field>
# 存入或修改数据
hset <key> <field> <value>

11. String type data

# 查看数据
get <key>
# 存入或修改数据
set <key> <value>

12. View a key data storage type

type <key>

13. Delete data
Delete key

del <key>

delete field

hdel <key> field

14. Redis startup
Enter the redis/bin directory to execute the startup command, where redis.conf needs to write the actual location, and execute the following command when it is in the redis-server directory

./redis-server redis.conf

Check whether the startup is successful

ps -ef | grep redis

Redis.conf configuration details https://blog.csdn.net/sinat_25207295/article/details/117925174
15. Other operation references —> ... Redis knowledge you need to master... , Redis common command manual